223212231343 has 2 divisors, whose sum is σ = 223212231344. Its totient is φ = 223212231342.

The previous prime is 223212231217. The next prime is 223212231367. The reversal of 223212231343 is 343132212322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223212231343 - 2³⁷ = 85773277871 is a prime.

It is a super-3 number, since 3×223212231343³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223212231043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111606115671 + 111606115672.

It is an arithmetic number, because the mean of its divisors is an integer number (111606115672).

Almost surely, 2^223212231343 is an apocalyptic number.

223212231343 is a deficient number, since it is larger than the sum of its proper divisors (1).

223212231343 is an equidigital number, since it uses as much as digits as its factorization.

223212231343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

Adding to 223212231343 its reverse (343132212322), we get a palindrome (566344443665).

The spelling of 223212231343 in words is "two hundred twenty-three billion, two hundred twelve million, two hundred thirty-one thousand, three hundred forty-three".